-#ifdef CONFIG_X86_32
-# include "unwind_32.h"
-#else
-# include "unwind_64.h"
-#endif
+#ifndef _ASM_X86_UNWIND_H
+#define _ASM_X86_UNWIND_H
+
+#define UNW_PC(frame) ((void)(frame), 0UL)
+#define UNW_SP(frame) ((void)(frame), 0UL)
+#define UNW_FP(frame) ((void)(frame), 0UL)
+
+static inline int arch_unw_user_mode(const void *info)
+{
+ return 0;
+}
+
+#endif /* _ASM_X86_UNWIND_H */